<template>
  <view>
   <view class="goods-list">
     <view v-for="(goods,i) in goodsList" :key="i" @click="gotoDetail(goods)">
      <my-goods :goods="goods"></my-goods> 
     </view>
   </view>
  </view>
</template>

<script>
  export default {
    data() {
      return {
          //请求对象
          queryObj:{
            query:'',
            cid:'',
            pagenum:1,
            pagesize:10
          },
          goodsList:[],
          total:0,
          isloading:false
      }
    },
    onLoad(options) {
      // console.log(options);
      this.queryObj.query = options.query || ''
      this.queryObj.cid = options.cid || ''
      // console.log(this.queryObj);
      //获取商品列表数据的方法
      this.getGoodsList()
    },
    methods: {
       async getGoodsList(cb){
         //打开节流阀
         this.isloading = true
         const {data:res} = await uni.$http.get('/api/public/v1/goods/search',this.queryObj)
         //关闭节流阀
         this.isloading = false
         cb && cb()
          if(res.meta.status !== 200) return uni.$showMsg()
          // console.log(res.message);
          this.goodsList = [...this.goodsList,...res.message.goods]
          this.total = res.message.total
        },
        onReachBottom(){
          if(this.queryObj.pagenum * this.queryObj.pagesize >= this.total) return uni.$showMsg('数据加载完毕')
          if(this.isloading) return
          //让页码自增+1
          this.queryObj.pagenum++
          this.getGoodsList()
        },
        onPullDownRefresh() {
          //重置数据
          this.queryObj.pagenum = 1
          this.total = 0 
          this.isloading = false
          this.goodsList = []
          
          //重新发起数据请求
          this.getGoodsList(()=>{uni.stopPullDownRefresh()})
        },
        gotoDetail(goods){
          uni.navigateTo({
            url:'/subpkg/goods_detail/goods_detail?goods_id=' + goods.goods_id
          })
        }
    }
  }
</script>

<style lang="scss">

</style>
